The kalonji or Nigella seeds have a beautiful aroma to the dishes, and a hint of flavor is used to prepare bread like naan, tandoori rotis, parathas, and also sometimes to season stir-fries and curries, Kalonji seeds could prove to be beneficial for respiratory discomfort, asthma, bronchitis, cough, allergies, flu, and emphysema. Nigella seeds (kalonji) can be eaten raw, added to dishes, or mixed with honey or water. The oil can also be diluted and applied topically to the hair and skin or taken in supplement form. It is used in baking and in the Indian herbal spice mixture called masala that enhances flavour, and aids in digestion as well as tasting a bit like fennel in recipes.